Stacked Line with LineMarker (Angular)

This sample shows a FlexChart stacked line chart with symbols and a Line Marker.

To display the Line Marker, you'll want to use a mouse enter event to set the Line Marker's isVisible property to true. You can then use a mouse leave event to set it to false.

Learn about FlexChart | FlexChart API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import { isArray } from '@mescius/wijmo'; import * as chart from '@mescius/wijmo.chart'; import '@angular/compiler'; import { Component, Inject, enableProdMode, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjChartModule } from '@mescius/wijmo.angular2.chart'; import { WjChartAnimationModule } from '@mescius/wijmo.angular2.chart.animation'; import { DataService } from './app.data'; // @Component({ standalone: true, providers: [DataService], imports: [WjChartModule, WjChartAnimationModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any; palette: string[]; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); this.palette = this._getRandomPalette(); } // getMarkerContent(ht: chart.HitTestInfo) { if (ht.item) { let s = `<b>Populations(in millions)</b></br>Year: ${ht.item.year}`; for (let key in ht.item) { if (key !== 'year') { s += `</br> ${key}: ${ht.item[key]}`; } } return s; } else { return 'No items here...'; } } // private _getRandomPalette() { let palettes = Object.keys(chart.Palettes).filter((prop) => isArray(chart.Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return chart.Palettes[palettes[rand]]; } } // // enableProdMode(); // Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings. ɵresolveComponentResources(fetch).then(() => { // Bootstrap application bootstrapApplication(AppComponent).catch((err) => console.error(err)); });
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Line with LineMarker</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/fesm2015/zone.min.js"></script> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <wj-flex-chart [itemsSource]="data" [tooltipContent]="''" [bindingX]="'year'" [palette]="palette" [chartType]="'LineSymbols'" [stacking]="'Stacked'" (mouseenter)="lineMarker.isVisible = true" (mouseleave)="lineMarker.isVisible = false"> <wj-flex-chart-legend [position]="'Bottom'"></wj-flex-chart-legend> <wj-flex-chart-axis [wjProperty]="'axisY'" [title]="'Populations(in millions)'"></wj-flex-chart-axis> <wj-flex-chart-series [binding]="'africa'" [name]="'Africa'"></wj-flex-chart-series> <wj-flex-chart-series [binding]="'asia'" [name]="'Asia'"></wj-flex-chart-series> <wj-flex-chart-series [binding]="'europe'" [name]="'Europe'"></wj-flex-chart-series> <wj-flex-chart-series [binding]="'southAmerica'" [name]="'South America'"></wj-flex-chart-series> <wj-flex-chart-series [binding]="'northAmerica'" [name]="'North America'"></wj-flex-chart-series> <wj-flex-line-marker #lineMarker [isVisible]="false" [lines]="'Both'" [interaction]="'Move'" [content]="getMarkerContent"> </wj-flex-line-marker> <wj-flex-chart-animation></wj-flex-chart-animation> </wj-flex-chart> </div>
import { Injectable } from '@angular/core'; // @Injectable() export class DataService { getData() { return [ { year: '1950', africa: 229, asia: 1394, europe: 549, southAmerica: 169, northAmerica: 172 }, { year: '1955', africa: 254, asia: 1534, europe: 577, southAmerica: 193, northAmerica: 187 }, { year: '1960', africa: 285, asia: 1687, europe: 606, southAmerica: 221, northAmerica: 204 }, { year: '1965', africa: 322, asia: 1875, europe: 635, southAmerica: 254, northAmerica: 219 }, { year: '1970', africa: 366, asia: 2120, europe: 657, southAmerica: 288, northAmerica: 231 }, { year: '1975', africa: 416, asia: 2378, europe: 677, southAmerica: 326, northAmerica: 242 }, { year: '1980', africa: 478, asia: 2626, europe: 694, southAmerica: 365, northAmerica: 254 }, { year: '1985', africa: 550, asia: 2897, europe: 708, southAmerica: 406, northAmerica: 267 }, { year: '1990', africa: 632, asia: 3202, europe: 721, southAmerica: 447, northAmerica: 281 }, { year: '1995', africa: 720, asia: 3475, europe: 728, southAmerica: 487, northAmerica: 296 }, { year: '2000', africa: 814, asia: 3714, europe: 726, southAmerica: 527, northAmerica: 314 }, { year: '2005', africa: 920, asia: 3945, europe: 729, southAmerica: 564, northAmerica: 329 }, { year: '2010', africa: 1044, asia: 4170, europe: 735, southAmerica: 600, northAmerica: 344 }, { year: '2015', africa: 1196, asia: 4393, europe: 738, southAmerica: 634, northAmerica: 358 } ]; } }
body { margin-bottom: 24px; } .wj-flexchart .wj-chart-linemarker { background: transparent; } .wj-chart-linemarker-content { padding: 12px; margin: 6px; background: white; border-radius: 3px; box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23); } .wj-flexchart .wj-chart-linemarker .wj-chart-linemarker-hline, .wj-flexchart .wj-chart-linemarker .wj-chart-linemarker-vline { height: 1px; width: 1px; opacity: .5; background: navy; }
(function (global) { SystemJS.config({ transpiler: './plugin-typescript.js', typescriptOptions: { "target": "ES2022", "module": "system", "emitDecoratorMetadata": true, "experimentalDecorators": true, }, baseURL: 'node_modules/', meta: { 'typescript': { "exports": "ts" }, '*.css': { loader: 'systemjs-plugin-css' }, '*.mjs': { format: 'esm' }, }, paths: { // paths serve as alias 'npm:': '' }, packageConfigPaths: [ '/node_modules/*/package.json', "/node_modules/@angular/*/package.json", "/node_modules/@mescius/*/package.json" ], map: { 'core-js': 'https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js', 'typescript': 'https://cdnjs.cloudflare.com/ajax/libs/typescript/5.2.2/typescript.min.js', "rxjs": "https://cdnjs.cloudflare.com/ajax/libs/rxjs/7.8.1/rxjs.umd.min.js", 'systemjs-plugin-css': 'https://cdn.jsdelivr.net/npm/systemjs-plugin-css@0.1.37/css.js', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', 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'npm:@mescius/wijmo.angular2.barcode.specialized/index.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'jszip': 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js', '@angular/core': 'npm:@angular/core/fesm2022/core.mjs', '@angular/core/primitives/di': 'npm:@angular/core/fesm2022/primitives/di.mjs', '@angular/core/primitives/signals': 'npm:@angular/core/fesm2022/primitives/signals.mjs', '@angular/core/primitives/event-dispatch': 'npm:@angular/core/fesm2022/primitives/event-dispatch.mjs', '@angular/common': 'npm:@angular/common/fesm2022/common.mjs', '@angular/common/http': 'npm:@angular/common/fesm2022/http.mjs', '@angular/compiler': 'npm:@angular/compiler/fesm2022/compiler.mjs', '@angular/platform-browser': 'npm:@angular/platform-browser/fesm2022/platform-browser.mjs', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/fesm2022/platform-browser-dynamic.mjs', '@angular/http': 'npm:@angular/http/fesm2022/http.mjs', '@angular/router': 'npm:@angular/router/fesm2022/router.mjs', '@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs', }, // packages tells the System loader how to load when no filename and/or no extension packages: { "./src": { defaultExtension: 'ts' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);